These entries are queried from radb.net using whois, you can try my project getting these.
:AS63008 route: 104.249.188.0/24 descr: Proxy fbo Contina Communications (AS63008) origin: AS63008 remarks: Windstream Footprint mnt-by: MAINT-AS7029 changed: David.Friant [at] windstream.com 20151013 source: RADB last-modified: 2023-11-13T15:48:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.249.189.0/24 descr: Proxy fbo Contina Communications (AS63008) origin: AS63008 remarks: Windstream Footprint mnt-by: MAINT-AS7029 changed: David.Friant [at] windstream.com 20151013 source: RADB last-modified: 2023-11-13T15:48:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source